syzkaller syzkaller login: [ 12.446024][ T24] kauditd_printk_skb: 48 callbacks suppressed [ 12.446034][ T24] audit: type=1400 audit(1763625107.620:59): avc: denied { transition } for pid=217 comm="sshd-session" path="/bin/sh" dev="sda1" ino=90 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.450840][ T24] audit: type=1400 audit(1763625107.620:60): avc: denied { noatsecure } for pid=217 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.454044][ T24] audit: type=1400 audit(1763625107.620:61): avc: denied { write } for pid=217 comm="sh" path="pipe:[1549]" dev="pipefs" ino=1549 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 12.457183][ T24] audit: type=1400 audit(1763625107.620:62): avc: denied { rlimitinh } for pid=217 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.460075][ T24] audit: type=1400 audit(1763625107.620:63): avc: denied { siginh } for pid=217 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.1.5' (ED25519) to the list of known hosts. 2025/11/20 07:51:56 parsed 1 programs [ 21.215058][ T24] audit: type=1400 audit(1763625116.390:64): avc: denied { node_bind } for pid=275 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 21.218514][ T24] audit: type=1400 audit(1763625116.390:65): avc: denied { create } for pid=275 comm="syz-execprog" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=rawip_socket permissive=1 [ 21.221808][ T24] audit: type=1400 audit(1763625116.390:66): avc: denied { module_request } for pid=275 comm="syz-execprog" kmod="net-pf-2-proto-262-type-1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 21.789983][ T24] audit: type=1400 audit(1763625116.970:67): avc: denied { mounton } for pid=284 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 21.790975][ T284] cgroup: Unknown subsys name 'net' [ 21.812609][ T24] audit: type=1400 audit(1763625116.970:68): avc: denied { mount } for pid=284 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 21.839903][ T24] audit: type=1400 audit(1763625117.000:69): avc: denied { unmount } for pid=284 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 21.839931][ T284] cgroup: Unknown subsys name 'devices' [ 21.979812][ T284] cgroup: Unknown subsys name 'hugetlb' [ 21.985371][ T284] cgroup: Unknown subsys name 'rlimit' [ 22.216471][ T24] audit: type=1400 audit(1763625117.390:70): avc: denied { setattr } for pid=284 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=253 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 22.239605][ T24] audit: type=1400 audit(1763625117.390:71): avc: denied { create } for pid=284 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 Setting up swapspace version 1, size = 127995904 bytes [ 22.259973][ T24] audit: type=1400 audit(1763625117.390:72): avc: denied { write } for pid=284 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 22.265049][ T286] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 22.280210][ T24] audit: type=1400 audit(1763625117.390:73): avc: denied { read } for pid=284 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 22.313022][ T284] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 22.798893][ T296] request_module fs-gadgetfs succeeded, but still no fs? [ 22.813278][ T296] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 22.863797][ T293] bridge0: port 1(bridge_slave_0) entered blocking state [ 22.883118][ T293] bridge0: port 1(bridge_slave_0) entered disabled state [ 22.905634][ T293] device bridge_slave_0 entered promiscuous mode [ 22.949056][ T293] bridge0: port 2(bridge_slave_1) entered blocking state [ 22.956079][ T293] bridge0: port 2(bridge_slave_1) entered disabled state [ 22.968832][ T293] device bridge_slave_1 entered promiscuous mode [ 23.217962][ T293] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.225027][ T293] bridge0: port 2(bridge_slave_1) entered forwarding state [ 23.232305][ T293] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.239317][ T293] bridge0: port 1(bridge_slave_0) entered forwarding state [ 23.286728][ T341] bridge0: port 1(bridge_slave_0) entered disabled state [ 23.298823][ T341] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.306107][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 23.314279][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 23.329143][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 23.337365][ T341] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.344400][ T341] bridge0: port 1(bridge_slave_0) entered forwarding state [ 23.351871][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 23.360493][ T341] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.367506][ T341] bridge0: port 2(bridge_slave_1) entered forwarding state [ 23.374827][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 23.391204][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 23.399601][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 23.410052][ T293] device veth0_vlan entered promiscuous mode [ 23.418828][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 23.427358][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready 2025/11/20 07:51:58 executed programs: 0 [ 23.435542][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 23.445141][ T293] device veth1_macvtap entered promiscuous mode [ 23.453079][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 23.468796][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 23.477222][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 23.601685][ T354] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.608741][ T354] bridge0: port 1(bridge_slave_0) entered disabled state [ 23.615910][ T354] device bridge_slave_0 entered promiscuous mode [ 23.623372][ T354] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.630417][ T354] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.637600][ T354] device bridge_slave_1 entered promiscuous mode [ 23.712300][ T365] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.719443][ T365] bridge0: port 1(bridge_slave_0) entered disabled state [ 23.726637][ T365] device bridge_slave_0 entered promiscuous mode [ 23.733777][ T365] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.740830][ T365] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.748134][ T365] device bridge_slave_1 entered promiscuous mode [ 23.757977][ T358] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.765090][ T358] bridge0: port 1(bridge_slave_0) entered disabled state [ 23.772389][ T358] device bridge_slave_0 entered promiscuous mode [ 23.779218][ T358] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.786227][ T358] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.793528][ T358] device bridge_slave_1 entered promiscuous mode [ 23.817644][ T366] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.824762][ T366] bridge0: port 1(bridge_slave_0) entered disabled state [ 23.832356][ T366] device bridge_slave_0 entered promiscuous mode [ 23.849157][ T366] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.856179][ T366] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.863680][ T366] device bridge_slave_1 entered promiscuous mode [ 23.900464][ T362] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.907482][ T362] bridge0: port 1(bridge_slave_0) entered disabled state [ 23.914786][ T362] device bridge_slave_0 entered promiscuous mode [ 23.922059][ T362] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.929087][ T362] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.936368][ T362] device bridge_slave_1 entered promiscuous mode [ 24.025012][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 24.032366][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 24.061467][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 24.070244][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 24.078269][ T341] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.085284][ T341] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.092666][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 24.114225][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 24.122436][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 24.130599][ T341] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.137592][ T341] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.152141][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 24.159665][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 24.189658][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 24.197810][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 24.206416][ T341] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.213437][ T341] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.221047][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 24.229333][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 24.237353][ T341] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.244363][ T341] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.251651][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 24.259644][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 24.267442][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 24.274817][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 24.282137][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 24.290398][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 24.298610][ T341] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.305607][ T341] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.313021][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 24.321206][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 24.329312][ T341] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.336304][ T341] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.343708][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 24.351630][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 24.359507][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 24.367385][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 24.375291][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 24.382827][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 24.400778][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 24.409111][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 24.416900][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 24.424642][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 24.438897][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 24.446719][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 24.454600][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 24.462793][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 24.471011][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 24.478766][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 24.488331][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 24.495922][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 24.503539][ T365] device veth0_vlan entered promiscuous mode [ 24.510211][ T354] device veth0_vlan entered promiscuous mode [ 24.532231][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 24.539818][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 24.547840][ T341] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.554851][ T341] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.562378][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 24.570667][ T341] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.577661][ T341] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.585056][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 24.608409][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 24.622956][ T354] device veth1_macvtap entered promiscuous mode [ 24.632742][ T365] device veth1_macvtap entered promiscuous mode [ 24.639941][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 24.648906][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 24.657139][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 24.664652][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 24.672018][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 24.680354][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 24.688406][ T341] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.695407][ T341] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.702801][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 24.711069][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 24.719219][ T341] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.726209][ T341] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.733507][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 24.743320][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 24.766713][ T358] device veth0_vlan entered promiscuous mode [ 24.779514][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 24.787326][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 24.794739][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 24.802568][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 24.810999][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 24.818890][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 24.826936][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 24.835177][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 24.843253][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 24.851475][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 24.859328][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 24.872128][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 24.880279][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 24.895110][ T358] device veth1_macvtap entered promiscuous mode [ 24.902096][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 24.910374][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 24.918193][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 24.930075][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 24.937463][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 24.946277][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 24.954902][ T381] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 24.954938][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 24.972241][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 24.980433][ T381] EXT4-fs error (device loop0): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 24.980682][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 25.003196][ T362] device veth0_vlan entered promiscuous mode [ 25.016658][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 25.026830][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 25.045682][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 25.053878][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 25.063520][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 25.072062][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 25.092033][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 25.100278][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 25.100582][ T387] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 25.122279][ T366] device veth0_vlan entered promiscuous mode [ 25.132303][ T387] EXT4-fs error (device loop0): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 25.139017][ T366] device veth1_macvtap entered promiscuous mode [ 25.156377][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 25.167272][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 25.174750][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 25.183024][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 25.191875][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 25.200678][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 25.208970][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 25.225358][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 25.233727][ T392] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue [ 25.233789][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 25.249861][ T392] EXT4-fs error (device loop3): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 25.264011][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 25.266672][ T396] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 25.273490][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 25.291551][ T362] device veth1_macvtap entered promiscuous mode [ 25.303372][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 25.311071][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 25.319045][ T396] EXT4-fs error (device loop0): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 25.334772][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 25.365124][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 25.373514][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 25.374185][ T403] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 25.409558][ T403] EXT4-fs error (device loop1): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 25.474672][ T410] EXT4-fs (loop6): mounted filesystem without journal. Opts: ,errors=continue [ 25.554818][ T9] device bridge_slave_1 left promiscuous mode [ 25.561028][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.568754][ T9] device bridge_slave_0 left promiscuous mode [ 25.576418][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.577876][ T410] EXT4-fs error (device loop6): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 25.599142][ T9] device veth1_macvtap left promiscuous mode [ 25.603162][ T413] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 25.605151][ T9] device veth0_vlan left promiscuous mode [ 25.620959][ T411] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue [ 25.636244][ T411] EXT4-fs error (device loop3): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 25.661472][ T418] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 25.693179][ T413] EXT4-fs error (device loop0): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 25.707865][ T423] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 25.754285][ T423] EXT4-fs error (device loop1): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 25.769209][ T418] EXT4-fs error (device loop5): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 25.809481][ T435] EXT4-fs (loop6): mounted filesystem without journal. Opts: ,errors=continue [ 25.918999][ T435] EXT4-fs error (device loop6): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 25.934872][ T438] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue [ 25.999460][ T438] EXT4-fs error (device loop3): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 26.029628][ T439] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 26.030911][ T496] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 26.039921][ T439] EXT4-fs error (device loop0): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 26.069357][ T494] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 26.164983][ T496] EXT4-fs error (device loop5): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 26.170513][ T494] EXT4-fs error (device loop1): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 26.209576][ T503] EXT4-fs (loop6): mounted filesystem without journal. Opts: ,errors=continue [ 26.369258][ T503] EXT4-fs error (device loop6): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 26.380226][ T511] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue [ 26.394036][ T515] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 26.404578][ T511] EXT4-fs error (device loop3): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 26.421314][ T521] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 26.439503][ T515] EXT4-fs error (device loop0): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 26.479845][ T521] EXT4-fs error (device loop5): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 26.495522][ T522] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 26.533132][ T522] EXT4-fs error (device loop1): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 26.820412][ T542] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 26.890905][ T542] EXT4-fs error (device loop5): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 26.913477][ T544] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 26.914024][ T538] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 26.914214][ T534] EXT4-fs (loop6): mounted filesystem without journal. Opts: ,errors=continue [ 26.941694][ T541] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue [ 26.952104][ T534] EXT4-fs error (device loop6): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 26.963403][ T538] EXT4-fs error (device loop0): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 26.970009][ T541] EXT4-fs error (device loop3): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 26.995780][ T544] EXT4-fs error (device loop1): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 27.023540][ T561] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 27.144731][ T561] EXT4-fs error (device loop5): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 27.259718][ T566] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue [ 27.259744][ T568] EXT4-fs (loop6): mounted filesystem without journal. Opts: ,errors=continue [ 27.302806][ T568] EXT4-fs error (device loop6): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 27.304243][ T566] EXT4-fs error (device loop3): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 27.320646][ T572] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 27.333732][ T574] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 27.371637][ T574] EXT4-fs error (device loop0): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 27.387781][ T572] EXT4-fs error (device loop1): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 27.390142][ T578] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 27.489279][ T578] EXT4-fs error (device loop5): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 27.759430][ T592] EXT4-fs (loop6): mounted filesystem without journal. Opts: ,errors=continue [ 27.813107][ T592] EXT4-fs error (device loop6): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 27.834237][ T593] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue [ 27.859639][ T603] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 27.859765][ T599] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 27.879445][ T602] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 27.910255][ T593] EXT4-fs error (device loop3): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 27.918547][ T603] EXT4-fs error (device loop5): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 27.940532][ T599] EXT4-fs error (device loop0): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 27.956345][ T602] EXT4-fs error (device loop1): ext4_mb_generate_buddy:808: group 0, block bitmap and bg descriptor inconsistent: 25 vs 4128793 free clusters [ 27.988031][ T9] ------------[ cut here ]------------ [ 27.996859][ T9] kernel BUG at fs/ext4/inode.c:2778! [ 28.002396][ T9] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 28.008452][ T9] CPU: 0 PID: 9 Comm: kworker/u4:1 Not tainted syzkaller #0 [ 28.015698][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 28.025737][ T9] Workqueue: writeback wb_workfn (flush-7:5) [ 28.031692][ T9] RIP: 0010:ext4_writepages+0x2ddb/0x2e00 [ 28.037374][ T9] Code: 28 94 ff 84 db 75 31 e8 53 26 94 ff 49 bc 00 00 00 00 00 fc ff df 4c 8b 6c 24 30 48 8b 5c 24 38 e9 21 f8 ff ff e8 35 26 94 ff <0f> 0b e8 2e 26 94 ff e8 75 eb 30 ff eb 98 e8 22 26 94 ff e8 69 eb [ 28.056950][ T9] RSP: 0018:ffffc90000097180 EFLAGS: 00010293 [ 28.062993][ T9] RAX: ffffffff81cf7f6b RBX: 000000c41000c000 RCX: ffff88810024bb40 [ 28.070940][ T9] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [ 28.078884][ T9] RBP: ffffc900000974f0 R08: dffffc0000000000 R09: ffffed102417cb1e [ 28.086830][ T9] R10: ffffed102417cb1e R11: 1ffff1102417cb1d R12: dffffc0000000000 [ 28.094766][ T9] R13: ffff88811816d000 R14: 0000008000000000 R15: ffff888120be58e8 [ 28.102708][ T9] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 28.111604][ T9] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.118156][ T9] CR2: 00007febba30f000 CR3: 000000010d1f2000 CR4: 00000000003506b0 [ 28.126097][ T9] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.134035][ T9] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.141973][ T9] Call Trace: [ 28.145232][ T9] ? __kasan_check_write+0x14/0x20 [ 28.150306][ T9] ? _raw_spin_lock+0x8e/0xe0 [ 28.154951][ T9] ? write_boundary_block+0x140/0x140 [ 28.160290][ T9] ? ext4_readpage+0x220/0x220 [ 28.165024][ T9] ? enqueue_task_fair+0xac3/0x2250 [ 28.170185][ T9] ? __getblk_gfp+0x3b/0x780 [ 28.174742][ T9] ? __update_load_avg_cfs_rq+0xaf/0x2f0 [ 28.180342][ T9] ? ext4_readpage+0x220/0x220 [ 28.185071][ T9] do_writepages+0x12a/0x270 [ 28.189624][ T9] ? __writepage+0x130/0x130 [ 28.194189][ T9] ? __kasan_check_write+0x14/0x20 [ 28.199270][ T9] ? _raw_spin_lock+0x8e/0xe0 [ 28.203916][ T9] ? __kasan_check_write+0x14/0x20 [ 28.208990][ T9] ? _raw_spin_lock+0x8e/0xe0 [ 28.213632][ T9] __writeback_single_inode+0xd5/0xa20 [ 28.219058][ T9] ? wbc_attach_and_unlock_inode+0x171/0x590 [ 28.224999][ T9] writeback_sb_inodes+0x860/0x1400 [ 28.230171][ T9] ? queue_io+0x4c0/0x4c0 [ 28.234466][ T9] ? __kasan_check_read+0x11/0x20 [ 28.239456][ T9] ? queue_io+0x385/0x4c0 [ 28.243749][ T9] wb_writeback+0x3e3/0xb90 [ 28.248216][ T9] ? wb_io_lists_depopulated+0x180/0x180 [ 28.253814][ T9] ? set_worker_desc+0x155/0x1c0 [ 28.258724][ T9] ? update_load_avg+0x4dc/0x14f0 [ 28.263715][ T9] ? __kasan_check_write+0x14/0x20 [ 28.268791][ T9] wb_workfn+0x38f/0xe20 [ 28.272999][ T9] ? inode_wait_for_writeback+0x200/0x200 [ 28.278683][ T9] ? _raw_spin_unlock_irq+0x4e/0x70 [ 28.283848][ T9] ? finish_task_switch+0x12e/0x5a0 [ 28.289013][ T9] ? switch_mm_irqs_off+0x763/0x9a0 [ 28.294175][ T9] ? __switch_to_asm+0x34/0x60 [ 28.298904][ T9] ? __schedule+0xb4f/0x1310 [ 28.303457][ T9] ? __kasan_check_read+0x11/0x20 [ 28.308445][ T9] ? read_word_at_a_time+0x12/0x20 [ 28.313518][ T9] ? strscpy+0x9b/0x290 [ 28.317637][ T9] process_one_work+0x6e1/0xba0 [ 28.322455][ T9] worker_thread+0xa6a/0x13b0 [ 28.327097][ T9] kthread+0x346/0x3d0 [ 28.331132][ T9] ? worker_clr_flags+0x190/0x190 [ 28.336121][ T9] ? kthread_blkcg+0xd0/0xd0 [ 28.340679][ T9] ret_from_fork+0x1f/0x30 [ 28.345059][ T9] Modules linked in: [ 28.350920][ T9] ---[ end trace 3147fe2a7b1a8e06 ]--- [ 28.356376][ T9] RIP: 0010:ext4_writepages+0x2ddb/0x2e00 [ 28.364405][ T9] Code: 28 94 ff 84 db 75 31 e8 53 26 94 ff 49 bc 00 00 00 00 00 fc ff df 4c 8b 6c 24 30 48 8b 5c 24 38 e9 21 f8 ff ff e8 35 26 94 ff <0f> 0b e8 2e 26 94 ff e8 75 eb 30 ff eb 98 e8 22 26 94 ff e8 69 eb [ 28.384222][ T9] RSP: 0018:ffffc90000097180 EFLAGS: 00010293 [ 28.390410][ T9] RAX: ffffffff81cf7f6b RBX: 000000c41000c000 RCX: ffff88810024bb40 [ 28.398361][ T9] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [ 28.406418][ T9] RBP: ffffc900000974f0 R08: dffffc0000000000 R09: ffffed102417cb1e [ 28.414414][ T9] R10: ffffed102417cb1e R11: 1ffff1102417cb1d R12: dffffc0000000000 [ 28.423502][ T9] R13: ffff88811816d000 R14: 0000008000000000 R15: ffff888120be58e8 [ 28.431657][ T9] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 28.432816][ T617] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue [ 28.440763][ T9] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.456060][ T9] CR2: 00007febba30f000 CR3: 000000012d571000 CR4: 00000000003506b0 [ 28.464073][ T9] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.472057][ T9] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.480021][ T9] Kernel panic - not syncing: Fatal exception [ 28.480855][ T24] kauditd_printk_skb: 38 callbacks suppressed [ 28.480864][ T24] audit: type=1400 audit(1763625123.660:112): avc: denied { read } for pid=76 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 28.486238][ T9] Kernel Offset: disabled [ 28.518217][ T9] Rebooting in 86400 seconds..